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    <title>Document</title>
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    <p>选取多张照片: <input type="file" name="" accept="image/*" multiple="multiple" id=""></p>
    <p>从相机选取图片: <input type="file" name="" accept="image/*" acpture="camera" multiple="multiple" id=""></p>
    <p>从麦克风选取声音: <input type="file" name="" accept="audio/*" acpture="microphone" id=""></p>
    <p>从录像机选取视频: <input type="file" accept="video/*" capture="camcorder"></p>
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